Member Since: 12 Apr 2014
Location: Suffolk
Posts: 47
Hdc fault
Over the last few months my disco has developed an "HDC fault", this comes up on the dash quickly followed by "special programs off" although I can still select all of the off road functions including raising and lowering the suspension.
It only seems to come on first thing when the mornings are cold, when the engine warms up I get no faults(touch wood)
It's already cost me a small fortune so far at my local garage,
they have changed the gearbox oil twice
Done a filter conversion
Change the EGR valve as the revs were surging
Changed a module in the gearbox
But so far to no avail.
Any ideas?
2nd Feb 2015 7:18 pm
grzesiul
Member Since: 11 May 2008
Location: UK
Posts: 6266
check the state of brake light switch under the panel in drivers foot-well
cost is around 8 quid and might be very quick and cheap fix
G
2nd Feb 2015 7:20 pm
Darth
Member Since: 12 Apr 2014
Location: Suffolk
Posts: 47
Fantastic will have a look the weekend, thanks
2nd Feb 2015 10:10 pm
Robbie
Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932
Battery at a poor state of charge or just at the end of its life.
Land Rover - Turning Drivers into Mechanics Since 1948
Member Since: 03 Dec 2014
Location: gone
Posts: 253
Quote:
Battery at a poor state of charge or just at the end of its life.
Thumbs Up
Agree
2nd Feb 2015 10:27 pm
doz
Member Since: 15 Jun 2014
Location: Southampton
Posts: 436
I'll thirds the battery
2nd Feb 2015 10:31 pm
markthegad
Member Since: 06 Sep 2009
Location: Newcastle
Posts: 636
Me too with battery, just replaced switch as battery less than a year old and still on,so had battery test and all ok just not getting uses enough for to keep full charge.
2nd Feb 2015 10:38 pm
Darth
Member Since: 12 Apr 2014
Location: Suffolk
Posts: 47
So I gather this is a common fault then. Not sure how old the battery but will get it tested
3rd Feb 2015 8:17 am
Mr Kington
Member Since: 12 Dec 2011
Location: Scottish Borders
Posts: 1549
Fourths for the battery. It is just flagging a comms failure message. The things that flash up are the last checks it runs when started. New battery fixed mine and now I charge the car once a week to keep it topped up. To be fair you can also ignore it as it Isn't doing any harm.James favourite hobby is writing in the third person.
3rd Feb 2015 8:20 am
Darth
Member Since: 12 Apr 2014
Location: Suffolk
Posts: 47
That's good to know, I was concerned that something might fail because of it
3rd Feb 2015 9:16 pm
Mr Kington
Member Since: 12 Dec 2011
Location: Scottish Borders
Posts: 1549
When it warms up then it could dissapear altogether. Do suggest getting a ctek though. Do help to keep the battery happyJames favourite hobby is writing in the third person.
3rd Feb 2015 9:48 pm
Darth
Member Since: 12 Apr 2014
Location: Suffolk
Posts: 47
That makes sense as I never got the problem until winter kicked in
3rd Feb 2015 11:26 pm
Triarii
Member Since: 27 Mar 2012
Location: Wess vinglun
Posts: 93
I'm getting this now. Did the hard reset and it stopped all the other odd faults (special programs off etc). I've done the brake switch too.
It says 'HDC fault', and if you press the HDC button it says 'HDC off'.
Battery then?with a occasional Bailey Unicorn Valencia tintent
...and an equally black SL350
5th Feb 2015 10:40 pm
Triarii
Member Since: 27 Mar 2012
Location: Wess vinglun
Posts: 93
Actually, also noticed that the RH brake / rear lights are brighter than the left. Any connection?with a occasional Bailey Unicorn Valencia tintent
...and an equally black SL350
5th Feb 2015 10:42 pm
Darth
Member Since: 12 Apr 2014
Location: Suffolk
Posts: 47
Triarii wrote:
I'm getting this now. Did the hard reset and it stopped all the other odd faults (special programs off etc). I've done the brake switch too.
It says 'HDC fault', and if you press the HDC button it says 'HDC off'.
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